It can be anything! An apex, subdomain, or even a URL.

Results for*.subau.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-01-17T17:16:58.551	2023-01-17T16:16:57	2023-04-17T16:16:56	subau.com	*.subau.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T17:16:58.551	2023-01-17T16:16:57	2023-04-17T16:16:56	subau.com	*.subau.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T17:16:58.233	2023-01-17T16:16:57	2023-04-17T16:16:56	subau.com	*.subau.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T17:16:58.233	2023-01-17T16:16:57	2023-04-17T16:16:56	subau.com	*.subau.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:17:41.017	2022-11-18T14:17:40	2023-02-16T14:17:39	subau.com	*.subau.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:17:41.017	2022-11-18T14:17:40	2023-02-16T14:17:39	subau.com	*.subau.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:17:40.768	2022-11-18T14:17:40	2023-02-16T14:17:39	subau.com	*.subau.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T15:17:40.768	2022-11-18T14:17:40	2023-02-16T14:17:39	subau.com	*.subau.com	C=US, O=Let's Encrypt, CN=R3